111210122122000 has 80 divisors (see below), whose sum is σ = 293352082193664. Its totient is φ = 40440044400000.

The previous prime is 111210122121997. The next prime is 111210122122049. The reversal of 111210122122000 is 221221012111.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2527480776 + ... + 2527524775.

Almost surely, 2^{111210122122000} is an apocalyptic number.

111210122122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111210122122000 is an abundant number, since it is smaller than the sum of its proper divisors (182141960071664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111210122122000 is a wasteful number, since it uses less digits than its factorization.

111210122122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055005585 (or 5055005569 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111210122122000 its reverse (221221012111), we get a palindrome (111431343134111).

The spelling of 111210122122000 in words is "one hundred eleven trillion, two hundred ten billion, one hundred twenty-two million, one hundred twenty-two thousand".